<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%@ page contentType="text/html;charset=UTF-8" language="java" isELIgnored="false" %>
<!DOCTYPE html>

<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>题目新增</title>
  <style>
    body {
      margin: 0;
      padding: 0;
      text-align: center;
      background: url("${base}/Desert.jpg");
      background-size: cover;
    }

    #c {
      margin: auto;
      margin-top: 70px;
      opacity: 0.8;
      width: 1000px;
      height: 600px;
    }
    #left {
      width: 700px;
      height: 600px;
      background: rgb(255, 255, 255);
      margin: auto;
      border-radius: 20px;
      padding-top: 10px;
      position: relative;
    }
    input {
      width: 270px;
      border-top-style: hidden;
      border-right-style: hidden;
      border-left-style: hidden;
      background: none;
      margin: 0;
      text-align: center;
    }
    p {
      color: gray;
      height: 30px;
    }
    #file {
      margin-top: 10px;
      color: #616161;
    }
    button {
      margin-top: 50px;
      width: 250px;
      height: 33px;
      border-radius: 20px;
      border: 0px;
      background-color: #c0ca33;
      color: #FFF;
      font-size: 16px;
    }
    span {
      position: absolute;
      left: 30px;
      color: red;
      font-size: 13px;
    }
  </style>
</head>
<body>
<div id="c">
  <div id="left">
    <h1>添加题目</h1>
    <form action="${base}/tac/add" method="post" enctype="multipart/form-data" onsubmit="return checked()">
      <p><span id="acterror"></span>题目类型：
      <select name="sid" style="width: 300px;height: 20px">
        <c:forEach var="t"  items="${titletypes}">
        <option value="${t.id}">${t.type}</option>
        </c:forEach>
      </select>
      </p>
      <p><span id="titles"></span>题目：<input id="title" type="text" name="title" placeholder="请输入题目"></p>
      <p><span id="pwerror"></span>答案：<input id="answer" type="text" name="answer" placeholder="请输入正确答案"></p>

      <p><span id="unerror"></span>答案解析：<input id="parse" type="text" name="parse" value="无解析"></p>
      <p><span id="pherror"></span>选项A：<input id="ph" type="text" name="choice1" placeholder="请输入A选项内容"></p>
      <p><span id="pherror1"></span>选项B：<input id="ph1" type="text" name="choice2" placeholder="请输入B选项内容"></p>
      <p><span id="pherror2"></span>选项C：<input id="ph2" type="text" name="choice3" placeholder="请输入C选项内容"></p>
      <p><span id="pherror3"></span>选项D：<input id="ph3" type="text" name="choice4" placeholder="请输入D选项内容"></p>
      <p><span id="acterror1"></span>题目级别：
      <select name="difficulty" style="width: 300px;height: 20px">
          <option value="1">1</option>
          <option value="2">2</option>
          <option value="3">3</option>
      </select>
      </p>
      <button id="sub" type="submit" >增加</button>
    </form>
  </div>
</div>
<script src="${base}/jquery-3.0.0.min.js"></script>
<script>
  var isExit = false;
  $("#title").blur(function () {
   $.post("${base}/tac/checkTitle?title="+$("#title").val(),function (result) {
              if(result == "题目不存在可以添加"){
                isExit = false;
                $("#titles").html(result).css("color","green");
              }else {
                isExit = true;
                $("#titles").html(result).css("color","red");
              }
   })
  })
  function checked() {
        if(isExit){
          $("#titles").html("题目已存在").css("color","red");
        return false;
        }
  }


</script>
</body>
</html>

